}

    @Test
    @DisplayName("release() below zero usage throws RuntimeCIFSException")
    void release_withoutAcquire_throwsRuntimeCIFSException() {
        // Arrange
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace trace = new SmbTreeConnectionTrace(ctx);

        // Act & Assert: calling release without prior acquire drops usage below zero

        for (int i = 0; i < 24; i++) {
            assertEquals((byte) (i + 1), resumeKey[i], "Resume key byte " + i + " should match");
        }
    }

    @Test
    @DisplayName("Test decode with non-zero buffer offset")
    void testDecodeWithOffset() throws SMBProtocolDecodingException {
        // Prepare test data with offset
        byte[] buffer = new byte[100];
        int offset = 50;

        }

        @Test
        @DisplayName("Should handle zero-length file ID")
        void testZeroLengthFileId() {
            request.setFileId(new byte[0]);
            request.setData(new byte[10], 0, 10);

            byte[] buffer = new byte[256];

            // Should handle zero-length file ID

        @DisplayName("Should handle zero times correctly")
        void testZeroTimes() throws SMBProtocolDecodingException {
            // Given
            byte[] buffer = new byte[60];
            SMBUtil.writeInt2(60, buffer, 0);
            // All times remain zero in buffer

            // When
            response.readBytesWireFormat(buffer, 0);

            // Then - zero Windows FileTime converts to negative Unix time

                            len += 2;
                            if (len > 256) {
                                throw new RuntimeException("zero termination not found");
                            }
                        }
                        server.oemDomainName = new String(buffer, bufferIndex, len, UNI_ENCODING);
                    } else {

        response = new SmbComQueryInformationResponse(mockConfig, 0L);

        // Prepare test data
        byte[] buffer = new byte[256];
        int bufferIndex = 0;

        // Set wordCount to non-zero
        setFieldValue(response, "wordCount", 10);

        // Write test data to buffer
        int fileAttributes = 0x0021; // FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_ARCHIVE

        assertEquals(action, notifyInfo.getAction());
        assertEquals(fileName, notifyInfo.getFileName());
    }

    @Test
    @DisplayName("Test decode with multiple entries (non-zero next offset)")
    void testDecodeWithNextEntry() throws SMBProtocolDecodingException {
        String fileName = "test.txt";
        int action = FileNotifyInformation.FILE_ACTION_REMOVED;

                    "toString() should return the correct UUID string in uppercase for lowercase input");
        }

        @Test
        @DisplayName("toString() should handle zero UUID correctly")
        void testToStringZeroUuid() {
            // Arrange
            rpc.uuid_t rpcUuid = new rpc.uuid_t();
            rpcUuid.time_low = 0;
            rpcUuid.time_mid = 0;

    }

    // Verifies that toString() formats bytes as lower-case hex with zero-padding
    @ParameterizedTest(name = "toString renders hex for {0}")
    @MethodSource("hexCases")
    @DisplayName("toString() renders lower-case hex with zero-padding")
    void toString_rendersHex(byte[] input, String expected) {
        // Arrange
        SecurityBlob blob = new SecurityBlob(input);

        });
    }

    @Test
    public void testValidArrayAllocation() throws Exception {
        validator.validateArrayAllocation(100, 10, 1000);
        validator.validateArrayAllocation(0, 10, 1000); // Zero size should be allowed
    }

    @Test
    public void testArrayAllocationNegativeSize() throws Exception {
        assertThrows(SmbException.class, () -> {